ET MALWARE TinyTurlaNG Turla APT Initial Client Beacon

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE TinyTurlaNG Turla APT Initial Client Beacon";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"---|0d 0a|"; startswith;
    content:"form-data|3b|name=|22|id|22 0d 0a|";
    content:"form-data|3B|name=|22|result|22 0d 0a|";
    content:"|0d 0a|Client Ready|0d 0a|-----|0d 0a|"; distance:0; fast_pattern;
    reference:url,blog.talosintelligence.com/tinyturla-next-generation/;
    classtype:trojan-activity;
    sid:2050902; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_02_16, deployment Perimeter, confidence High, signature_severity Major, tag c2, updated_at 2024_02_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)